cccc cccs ccee ccrc ccre ccrs ccrt ccss ccst cctc cctt cec- cece cecs cect ceec cees cer- cerc cere cers cert cery cesc cese cesr cess cest cet- cete cets ceys crcc crce crcr cre- crec cree cres cret crrt crss crst crtc crts cry- crys cscc csce cscr cscs csec csee cser cset csrc csrs csse cssr cstc cstr csts csys ctec ctrc ctrs ctsc ctss ctts cyc- cycc cycs cyre cyrs cyrt cyse cyst cyt- cyte cyy- cyyc eccc ecce ecct eces ecrc ecrr ecsc ecse ecss ect- ectc ects eecs eeee eees eerc eers eery eese eesy eetc eete eets ercc erce erec erer eres eret errc erre errs erse erst erts eryc erye esce escr escs esee eser eses eset esse esst essy estc este estr ests esty etcc etcs etec etee eter etes etre etsy ette etty eyec eyer eyes eyet eyey eyre eyry eyse eyst eyte eyyr rccc rccs rcet rcsc rcss rctc rcts rcyc recc rece recr recs rect recy rees reet rere rers rert rery rese ress rest rete retr rets rett rety reye reys rrrr rscc rscs rscy rsee rsre rsts rtcc rtce rtee rtes rtss rtts ryes ryet rysy rytt ryyt sccc scce sccs scct sccy scec scee scer scet scey scr- scrc scre scrs scry scsc scsr scst sctc sctr scts scye se-c se-e se-s se-t se-y sec- secc sece secr secs sect secy seec seer sees seet seey serc sere serr sers sert sery sesc sese sess sest set- setc sete sets sett seye seys seyt srcc srct srec sres srtr sscc ssce sscs ssec ssee sses sset ssrc ssrs sssc ssss sstc ssts stcc stcs stec stee ster stes stet stey strc stre strs stry stss sttc sttr stye styr stys syce sycr syer syes syre syrs syrt syry syse syss syst syte sytt tccc tctc tcts tecr tecs tect teec teer tees teet ter- terc tere terr ters tery tesc tese tess test tete tetr tets tett teye teyr teys trcc tre- trec tree tres tret trey trst trtc trte trtr try- trye trys tscc tsec tses tset tsey tsse tssr tsst tstc tsts tsys tter ttss tttt ttys tyce tyee tyer tyes tyet tyr- tyre tyrr tyse tyss tyst tyte tytt tyty yccc ycee yctc yeer yees yeet yere yerr yers yert yery yess yest yete yets yett yeye yeyr ysee yser yses yset ysse ytre yyyy